. >> the reason i talk about obama care and its impact and mitt romney doesn't. >> the mandate is the main complaint about barack obama's health care plan. santorum here today is a reminder this u.s. supreme court could have an effect again on a presidential election. i'm steve handelsman, news 4, at the supreme court. >>> after a rainy weekend get ready for a big chill overnight. >> meteorologist veronica johnson is in the storm sent tower tell us. >> guys, it means for a couple hours tonight we could be dropping below freezing and we've got the budding spring flowers to worry about. right? check out the morning temperatures here. you can see we dropped down to about 46 to 55, 57 degrees. manassas to culpepper. that wasn't a big deal at all. today was the 14th day temperatures have been 50 degrees or higher but now a look at all that blue on the map. that is our freeze warning for tonight. that means we've got the potential for several hours to drop below freezing. all those areas shaded in blue. freeze watch off to the east for d.c., prince george's county, anne arundel county, st.